- William H. Percy, Ph.D. Office: 226 Lee Medical Building Phone: (605)-677-5165 Fax: (605)-677-6381 wpercy@usd.edu Education: B.Sc.(Honors) Pharmacology, The University of Aberdeen, Scotland, U.K. 1978 Ph.D. Pharmacology, The University of Aberdeen, Scotland, U.K. 1982 Research and Teaching appointments: Postdoctoral Research Associate: Division of Gastroenterology-Hepatology, Department of ...www.usd.edu/~wpercy